/*
 * Copyright 2011 Marcos Fabio Pereira
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.moveme.network.payload.cameraslice;

import java.nio.ByteBuffer;

import com.moveme.network.payload.PSMoveServerPacketHeader;
import com.moveme.network.payload.PSPayload;

/**
 * Camera frame slice
 * 
 * @author Marcos Fabio Pereira
 * 
 */
public class PSCameraFrameSlice extends PSPayload {
    
    public int heightStart;
    
    public int heightSlice;
    
    public int sliceNum;
    
    public int numSlices;
    
    public byte[] imageData;

    @Override
    public void processBody(ByteBuffer byteBuffer) {
        int offset = PSMoveServerPacketHeader.HEADER_SIZE;
        this.imageData = new byte[this.header.payloadLength - 3];
        this.sliceNum = byteBuffer.get(offset);
        this.numSlices = byteBuffer.get(offset + 1);
        int format = byteBuffer.get(offset + 2);
        this.heightSlice = 480 / this.numSlices;
        this.heightStart = this.heightSlice * this.sliceNum;
        byteBuffer.position(offset + 3);
        byteBuffer.get(this.imageData);
    }

}